Idea for more delegations in <algorithm>

[Paolo Carlini]

Paolo Carlini wrote:

> Thanks for the clarification. These considerations, however, make me 
> think
> that maybe we should *not* use __enable_if elsewhere, if ever 
> possible... ;)
>
> In implementing tr1/type_traits I avoided completely __enable_if, but 
> only on
> a stylistic base, so to speak, lucky guy... ;)

... but, thinking more about this, probably the real issue is with 
*defaults* not
with __enable_if "per se".

Paolo.